import axios from 'axios'
import { Message } from 'element-ui'
import  Router from 'vue-router'
import  router   from '@/router/index'

const instance = axios.create({
  // basic url
  baseURL: 'http://127.0.0.1:8900',
  // 超时时间
  timeout: 3000,
  withCredentials: true
})

instance.interceptors.request.use(function(config){
    let url = config.url;
    let token = localStorage.getItem('token',"");
    if(  token != ""){
        config.headers.Authorization =localStorage.getItem("token");
    }
    return config;
},function(err){
    return Promise.reject(err);
});
instance.interceptors.response.use(function (response) {
    console.log("response");
    console.log(response);
    if(response.data && response.data.code == 2){
        router.push({path: '/login'})
    }
    return response;
}, function (err) {
    if (err && err.response) {
        switch (err.response.status) {
            case 400: err.message = '请求错误(400)'; break;
            case 401: err.message = '未授权，请重新登录(401)'; break;
            case 403: err.message = '拒绝访问(403)'; break;
            case 404: err.message = '请求出错(404)'; break;
            case 408: err.message = '请求超时(408)'; break;
            case 500: err.message = '服务器错误(500)'; break;
            case 501: err.message = '服务未实现(501)'; break;
            case 502: err.message = '网络错误(502)'; break;
            case 503: err.message = '服务不可用(503)'; break;
            case 504: err.message = '网络超时(504)'; break;
            case 505: err.message = 'HTTP版本不受支持(505)'; break;
            default: err.message = `连接出错(${err.response.status})!`;
        }
    } else {
        err.message = '连接服务器失败!'
    } 
    Message.error( err.message );
    return Promise.resolve(err);
}); 

export default instance